CN110238288B - Intelligent automobile part stamping die - Google Patents
Intelligent automobile part stamping die Download PDFInfo
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- CN110238288B CN110238288B CN201910646421.4A CN201910646421A CN110238288B CN 110238288 B CN110238288 B CN 110238288B CN 201910646421 A CN201910646421 A CN 201910646421A CN 110238288 B CN110238288 B CN 110238288B
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- sensing unit
- guide rail
- pressure sensing
- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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Abstract
The invention discloses an intelligent automobile part stamping die which comprises a bottom plate (1), a lower die (4), an upper die (18), an electric cylinder (22), a gear (26) and a rack (27), wherein a vertical plate (3), a sliding block (5), a motor (29), a first guide rail (2), a second guide rail (14), an integrated control box (36) and a spring barrel bottom plate (37) are arranged on the upper side of the bottom plate (1), grooves formed in the lower sides of the vertical plate (3) and the sliding block (5) are respectively in contact fit with the first guide rail (2) and the second guide rail (14) so as to be capable of linearly moving along the length directions of the first guide rail (2) and the second guide rail (14); a connecting plate (34) is fixed on the right side of the sliding block (5) through a lower fixing bolt group (15), a series of threaded holes (16) are formed in the connecting plate (34), and a lower die (4) is fixed on the left side of the connecting plate (34) through an upper fixing bolt group (17); the power of the electric cylinder (22) passes through the rod body (20), and the rod body (20) can be transmitted to the upper die (18); the combined use of the device can realize the flexible control of the positions of the lower die (4) and the upper die (18), and the realization cost is reduced while the popularization and the application of the automobile part stamping device are facilitated.
Description
Technical Field
The invention relates to the field of stamping dies, in particular to an intelligent automobile part stamping die.
Background
A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The automobile stamping part is a metal stamping part for forming automobile parts. In the automobile stamping part, one part of the automobile stamping part is directly formed into automobile parts after stamping, and the other part of the automobile stamping part is formed into the automobile parts after being processed by welding, machining, painting or other processes after stamping. The automobile part stamping parts are generally large products, can be realized by double operation only by a press with large tonnage, and have the defects of complex structure, multiple assembly holes, various varieties and strict requirements on hole positions.
In summary, when an existing automobile part is stamped, one set of die is usually adopted to punch only one plane hole, a plurality of product assembly hole positions of a chassis part are on different surfaces or have included angles, the same product cannot be stamped at one time and multiple sets of dies need to be opened, the development cost of the dies is increased, and the labor and time are wasted due to frequent die disassembly and assembly.
In view of this, research and improvement are made in view of the existing structure and defects, and a stamping die for automobile chassis parts is provided, which can flexibly adjust the horizontal and height positions of an upper die and a lower die, so as to achieve the purpose of having higher applicability, practicability and value.
Disclosure of Invention
The invention aims to provide an intelligent automobile part stamping die to solve the technical problems that the horizontal and height positions of the die are difficult to adjust and the applicability and popularization degree are poor in the prior art.
In order to achieve the purpose, the invention provides an intelligent automobile part stamping die, which comprises a bottom plate, a lower die, an upper die, a gear and a rack, wherein a vertical plate, a sliding block, a motor, a first guide rail, a second guide rail (14), an integrated control box 36 and a spring cylinder bottom plate 37 are arranged on the bottom plate, and grooves arranged on the lower sides of the vertical plate and the sliding block are in contact fit with the first guide rail and the second guide rail so as to be capable of linearly moving along the length directions of the first guide rail and the second guide rail; the right side of the sliding block is fixedly provided with a connecting plate through a lower fixing bolt group, the connecting plate is provided with a series of threaded holes, and the left side of the connecting plate is fixedly provided with a lower die through an upper fixing bolt group.
The alarm control panel, the sensor base, the alarm controller and the buzzer are sequentially arranged on the right side of the top surface of the bottom plate from front to back, the alarm controller is provided with an operation button and a stop button, and the top of the sensor base is provided with an infrared sensor; through wire electric connection between alarm control panel and the infrared sensor, through wire electric connection between infrared sensor and the alarm controller, through wire electric connection between alarm controller and the bee calling organ.
The power output end of the motor is provided with an output shaft, and the other end of the output shaft is connected with the transmission shaft through a coupler; the top end of the transmission shaft is fixedly connected with the bottom surface of the gear through welding; furthermore, the gear has 8 teeth, the modulus is 2.5, and the rack is meshed with the gear; the rack has 8 teeth in total, and the modulus is 2.5. The side end face of the rack is fixedly connected with a second bottom plate through welding, the second bottom plate is in a cuboid plate-shaped structure, and a second series of bolt groups penetrate through holes formed in the top corner of the second bottom plate and are in threaded connection with threaded ports formed in the side face of the vertical plate.
The top surface of the bottom plate is provided with an integrated control box and a spring cylinder bottom plate, the side surface of the spring cylinder bottom plate is welded with the bottom of the spring cylinder, the surface of the body of the spring cylinder is respectively provided with a left round hole and a right round hole from left to right, the interior of the spring cylinder is sequentially provided with a first pressure sensing unit, a left pressing sheet, a spring, a right pressing sheet, a second pressure sensing unit and an end sheet from left to right, the left side of the first pressure sensing unit is contacted with the bottom of the spring barrel, the right side of the first pressure sensing unit is contacted with the left side of the left pressing sheet, the left side of the spring is contacted with the right side of the left pressing sheet, the right side of the spring is contacted with the left side of the right pressing sheet, the left side of the second pressure sensing unit is contacted with the right side of the right pressing sheet, the right side of the second pressure sensing unit is contacted with the left side of the end sheet, the right side of the end piece is welded with a pressure lever, and the right side of the pressure lever is welded with the side face of the vertical plate. The inner structures and the compositions of the first pressure sensing unit and the second pressure sensing unit are the same, and the first pressure sensing unit and the second pressure sensing unit are respectively composed of an extrusion block, a unit shell, a buffer block, an insulation block and a piezoresistor, wherein the piezoresistor is arranged at the center of the unit shell, the insulation block wraps the left side and the right side of the piezoresistor, the buffer block wraps the left side and the right side of the insulation block, the extrusion blocks are arranged on the left side and the right side of the buffer block, and the extrusion blocks are used for transmitting pressure; further, two ends of a first piezoresistor arranged in the first pressure sensing unit and a second piezoresistor arranged in the second pressure sensing unit are respectively connected with the integrated control box through leads, specifically, the first piezoresistor is connected between points a and b of an internal circuit of the integrated control box, and the second piezoresistor is connected between points c and d of the internal circuit of the integrated control box.
The integrated control case's inside be provided with third piezo-resistor, fourth piezo-resistor, protection resistor, position analysis appearance, power and total accuse switch, third piezo-resistor connect between the a of the internal circuit of integrated control case, d point, fourth piezo-resistor connect between the b of the internal circuit of integrated control case, c point, the power with total accuse switch connect in series after connect between the a of the internal circuit of integrated control case, c point, protection resistor, position analysis appearance connect in series after connect between the b of the internal circuit of integrated control case, d point.
The top surface of the vertical plate is fixedly connected with the upper suspension plate through welding, the upper suspension plate is provided with a through hole, the top surface of the upper suspension plate is provided with an electric cylinder controller, the bottom surface of the upper suspension plate is fixedly connected with an electric cylinder bottom plate through welding, and the electric cylinder bottom plate is fixedly connected with an electric cylinder; the electric cylinder is an AI095 linear electric cylinder produced by slhpdm company, the control precision can reach 0.01mm, and the protection grade can reach IP 66. The power output end of the electric cylinder is provided with a rod body, the end part of the rod body is fixedly connected with a first bottom plate through welding, the first bottom plate is in a cuboid plate-shaped structure, and a first series of bolt groups penetrate through holes formed in the vertex angle of the first bottom plate and are in threaded connection with threaded openings formed in the top surface of an upper die; furthermore, the electric cylinder controller is electrically connected with the electric cylinder through a lead.
Compared with the prior art, the invention has the beneficial effects that:
1. the intelligent automobile part stamping die has the advantages that all components are reliably connected, detection and maintenance are very convenient, the implementation cost is low, and the related motor, the alarm control panel, the infrared sensor, the coupler, the piezoresistor, the position analyzer and the like are all assembled by the existing equipment, so that the popularization and the application of the device are facilitated;
2. in the intelligent automobile part stamping die, the position of the lower die can be flexibly adjusted: the groove at the bottom of the sliding block is in contact fit with the first guide rail and the second guide rail, the right side of the sliding block is fixed with a connecting plate through a lower fixing bolt group, the connecting plate is provided with a series of threaded holes, the left side of the connecting plate is fixed with a lower die through an upper fixing bolt group, and further, for the lower die, the adjustment of the horizontal position of the lower die can be realized by utilizing the linear movement of the sliding block relative to the length directions of the first guide rail and the second guide rail, the adjustment of the height position of the lower die can be performed by selecting a series of threaded holes to be matched with the upper fixing bolt set, and in addition, the groove at the bottom of the sliding block is in contact fit with the first guide rail and the second guide rail, so that the position of the sliding block in the direction vertical to the first guide rail and the second guide rail is fixed, namely the position precision of the upper die in the direction vertical to the guide rails is effectively ensured;
3. the horizontal position of the upper die in the intelligent automobile part stamping die can realize accurate control: the spring barrel is internally provided with a first pressure sensing unit, a spring, a second pressure sensing unit and an end sheet, the spring is in a pre-compression state, the horizontal position of the upper die corresponds to different vertical plate positions, the different vertical plate positions correspond to different spring compression amounts, and further correspond to the sensing pressures of a first piezoresistor arranged in the first pressure sensing unit and a second piezoresistor arranged in the second pressure sensing unit, the piezoresistors can show different resistance sizes under different pressures, so that the voltage difference between the b point and the d point of the internal circuit of the integrated control box can be changed, and the voltage at two ends of the position analyzer is further influenced, and further, through a calibration experiment, the mapping relation between the voltage between the b point and the d point of the internal circuit of the integrated control box and the horizontal position of the upper die is determined based on a BP neural network, the mapping relation is preset in the position analyzer, then when the horizontal position of the upper die is adjusted each time, the horizontal position of the upper die can be calculated through the mapping relation preset in the position analyzer, and further the accurate control of the horizontal position of the upper die can be realized through the power output of the motor and the transmission coordination of the gear and the rack;
4. the height position of the upper die in the intelligent automobile part stamping die can realize accurate control: the top surface of the vertical plate is fixedly connected with the upper suspension plate through welding, the bottom surface of the upper suspension plate is fixedly connected with the electric cylinder bottom plate through welding, and the electric cylinder bottom plate is fixedly connected with the electric cylinder; further, the power of the electric cylinder is transmitted to the upper die through the rod body, the electric cylinder is an AI095 linear type electric cylinder produced by slhpdm company, and the control precision can reach 0.01 mm; furthermore, the linear displacement motion output of the electric cylinder can be utilized to accurately adjust the height position of the upper die, so that the stamping processing of automobile chassis with different sizes can be realized, and the device has excellent applicability and is beneficial to popularization and application;
5. this automobile parts stamping die of intelligence is provided with infrared sensor, when detecting that the annex has personnel to exist, and out of the safety consideration, infrared sensor sends signal to alarm controller through the wire, and alarm controller sends triggering signal to bee calling organ through the wire and then arouses bee calling organ warning, the effectual security that improves this automobile parts stamping die of intelligence in the in-service use of producing.
The present invention provides an intelligent automotive parts stamping die having additional objects, features and advantages in addition to those set forth above. The present invention will be described in further detail below.
Drawings
FIG. 1 is a schematic diagram of an axial side projection structure of the overall structure of the device of the present invention.
Fig. 2 is a front view of the overall structure of the device of the present invention.
FIG. 3 is a schematic top view of the overall structure of the device of the present invention.
Fig. 4 is a right-view structural diagram of the overall structure of the device of the present invention.
Fig. 5 is a schematic axial side projection structure of the connecting plate according to the present invention.
Fig. 6 is a schematic view of the internal structure of the spring case according to the present invention.
Fig. 7 is a schematic view of the internal structure of the pressure sensing unit according to the present invention.
Fig. 8 is a schematic diagram of the connection of the internal components of the integrated control box according to the present invention.
1. A base plate, 2, a first guide rail, 3, a vertical plate, 4, a lower die, 5, a sliding block, 6, a buzzer, 7, an alarm controller, 8, a lead wire, 9, a sensor base, 10, an infrared sensor, 11, an operation button, 12, a stop button, 13, an alarm control plate, 14, a second guide rail, 15, a lower fixing bolt group, 16, a series of threaded holes, 17, an upper fixing bolt group, 18, an upper die, 19, a first series of bolt groups, 20, a rod body, 21, a first bottom plate, 22, an electric cylinder, 23, an upper suspension plate, 24, a through hole, 25, an electric cylinder controller, 26, a gear, 27, a rack, 28, an output shaft, 29, an electric motor, 30, a coupler, 31, a transmission shaft, 32, a second bottom plate, 33, a second series of bolt groups, 34, a connecting plate, 35, an electric cylinder bottom plate, 36, an integrated control box, 37, a spring cylinder bottom plate, 38, a spring cylinder, 39. the pressure bar comprises a pressure bar body 40, a first pressure sensing unit 41, a second pressure sensing unit 42, an end plate 43, a left round hole 44, a left pressing plate 45, a spring 46, a right pressing plate 47, a right round hole 48, a pressing block 49, a unit shell 50, a buffer block 51, an insulating block 52, a square hole 53, a piezoresistor 53a, a first piezoresistor 53b, a second piezoresistor 54, a third piezoresistor 55, a fourth piezoresistor 56, a protective resistor 57, a position analyzer 58, a power supply 59 and a master control switch.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 8, the intelligent automobile part stamping die provided by the invention comprises a bottom plate 1, a lower die 4, an upper die 18, a gear 26 and a rack 27, wherein a vertical plate 3, a sliding block 5, a motor 29, a first guide rail 2 and a second guide rail 14 are arranged on the bottom plate 1, and grooves arranged on the lower sides of the vertical plate 3 and the sliding block 5 are in contact fit with the first guide rail 2 and the second guide rail 14 so as to be linearly movable along the length directions of the first guide rail 2 and the second guide rail 14; the right side of the sliding block 5 is fixed with a connecting plate 34 through a lower fixing bolt group 15, the connecting plate 34 is provided with a series of threaded holes 16, and the left side of the connecting plate 34 is fixed with a lower die 4 through an upper fixing bolt group 17.
Referring to fig. 1, further, an alarm control panel 13, a sensor base 9, an alarm controller 7 and a buzzer 6 are sequentially arranged on the right side of the top surface of the bottom plate 1 from front to back, an operation button 11 and a stop button 12 are arranged on the alarm controller 7, and an infrared sensor 10 is arranged on the top of the sensor base 9;
further, through 8 electric connection of wire between alarm control panel 13 and the infrared sensor 10, through 8 electric connection of wire between infrared sensor 10 and the alarm controller 7, through 8 electric connection of wire between alarm controller 7 and the bee calling organ 6, when needs work, press operation button 11, infrared sensor 10 begins to work, when detecting that the annex has personnel to exist, infrared sensor 10 sends signal to alarm controller 7 through wire 8, alarm controller 7 sends triggering signal to bee calling organ 6 through wire 8 and then arouses bee calling organ 6 to report to the police and warn, when not needing work, press stop button 12 can.
Referring to fig. 1 to 2, further, the power output end of the electric motor 29 is provided with an output shaft 28, and the other end of the output shaft 28 is connected with a transmission shaft 31 through a coupling 30; the top end of the transmission shaft 31 is fixedly connected with the bottom surface of the gear 26 by welding.
Further, the gear 26 has 8 teeth in total, the module is 2.5, and the rack 27 is meshed with the gear 26; the rack 27 has 8 teeth in total and the module is 2.5.
Further, the side end face of the rack 27 is fixedly connected with the second bottom plate 32 through welding, the second bottom plate 32 is in a rectangular plate-shaped structure, and the second series of bolt groups 33 pass through holes arranged at the top corners of the second bottom plate 32 to be in threaded connection with threaded openings arranged on the side faces of the vertical plate 3, so that the second bottom plate 32 is fixed.
Referring to fig. 2, 3 and 6, further, an integrated control box 36 and a spring barrel bottom plate 37 are arranged on the top surface of the bottom plate 1, the side surface of the spring barrel bottom plate 37 is welded to the bottom of the spring barrel 38, referring to fig. 6, a left circular hole 43 and a right circular hole 47 are respectively arranged on the barrel surface of the spring barrel 38 from left to right for routing, a first pressure sensing unit 40, a left pressing plate 44, a spring 45, a right pressing plate 46, a second pressure sensing unit 41 and an end plate 42 are sequentially arranged inside the spring barrel 38 from left to right, the left side of the first pressure sensing unit 40 is in contact with the bottom of the spring barrel 38, the right side of the first pressure sensing unit 40 is in contact with the left side of the left pressing plate 44, the spring 45 is in a pre-compression state, the left side of the spring 45 is in contact with the right side of the left pressing plate 44, the right side of the spring 45 is in contact with the left side of the right pressing plate 46, the left side of the second pressure sensing unit 41 is in contact with the right side of the right pressing sheet 46, the right side of the second pressure sensing unit 41 is in contact with the left side of the end sheet 42, the right side of the end sheet 42 is welded with the pressing rod 39, and the right side of the pressing rod 39 is welded with the side face of the vertical plate 3.
Referring to fig. 7 and 8, further, the internal structures and the compositions of the first pressure sensing unit 40 and the second pressure sensing unit 41 are the same, and both the first pressure sensing unit and the second pressure sensing unit are composed of an extrusion block 48, a unit housing 49, a buffer block 50, an insulation block 51 and a piezoresistor 53, the piezoresistor 53 is arranged at the center of the unit housing 49, the insulation block 51 is wrapped on the left and right sides of the piezoresistor 53, the buffer block 50 is wrapped on the left and right sides of the insulation block 51, the extrusion blocks 48 are arranged on the left and right sides of the buffer block 50, and the extrusion blocks 48 are used for transmitting pressure; further, both ends of the first varistor 53a disposed inside the first pressure sensing unit 40 and the second varistor 53b disposed inside the second pressure sensing unit 41 are respectively connected to the integrated control box 36 through the wires 8, specifically, the first varistor 53a is connected between points a and b of the internal circuit of the integrated control box 36, and the second varistor 53b is connected between points c and d of the internal circuit of the integrated control box 36.
Referring to fig. 8, further, a third piezo-resistor 54, a fourth piezo-resistor 55, a protection resistor 56, a position analyzer 57, a power supply 58 and a master control switch 59 are arranged inside the integrated control box 36, the third piezo-resistor 54 is connected between points a and d of the internal circuit of the integrated control box 36, the fourth piezo-resistor 55 is connected between points b and c of the internal circuit of the integrated control box 36, the power supply 58 is connected in series with the master control switch 59 and then connected between points a and c of the internal circuit of the integrated control box, and the protection resistor 56 and the position analyzer 57 are connected in series and then connected between points b and d of the internal circuit of the integrated control box 36.
Referring to fig. 1 to 4, further, the top surface of the vertical plate 3 is fixedly connected with an upper suspension plate 23 by welding, the upper suspension plate 23 is provided with a through hole 24, the top surface of the upper suspension plate 23 is provided with an electric cylinder controller 25, the bottom surface of the upper suspension plate 23 is fixedly connected with an electric cylinder bottom plate 35 by welding, and the electric cylinder bottom plate 35 is fixedly connected with an electric cylinder 22; the electric cylinder 22 is an AI095 linear electric cylinder produced by slhpdm, the control precision can reach 0.01mm, and the protection grade can reach IP 66.
Further, the power output end of the electric cylinder 22 is provided with a rod body 20, the end portion of the rod body 20 is fixedly connected with the first bottom plate 21 through welding, the first bottom plate 21 is in a cuboid plate-shaped structure, and the first series of bolt groups 19 penetrate through holes formed in the vertex angle of the first bottom plate 21 and are in threaded connection with threaded openings formed in the top surface of the upper die 18, so that the upper die 18 is fixed.
Further, the electric cylinder controller 25 is electrically connected to the electric cylinder 22 through the wire 8.
The alarm controller 7, the motor 29, the coupling 30, the infrared sensor 10 and the like are all assembled in the existing equipment, and therefore, specific models and specifications are not described in detail.
The working principle of the invention is as follows:
the invention provides an intelligent automobile part stamping die which comprises a bottom plate 1, a lower die 4, an upper die 18, a gear 26 and a rack 27, wherein a vertical plate 3, a sliding block 5, a motor 29, a first guide rail 2 and a second guide rail 14 are arranged on the bottom plate 1, and grooves arranged on the lower sides of the vertical plate 3 and the sliding block 5 are in contact fit with the first guide rail 2 and the second guide rail 14 so as to be capable of linearly moving along the length directions of the first guide rail 2 and the second guide rail 14; the right side of the sliding block 5 is fixed with a connecting plate 34 through a lower fixing bolt group 15, the connecting plate 34 is provided with a series of threaded holes 16, and the left side of the connecting plate 34 is fixed with a lower die 4 through an upper fixing bolt group 17. Further, the lower die 4 can be adjusted in the horizontal position by linear movement of the slide block 5 in the longitudinal direction relative to the first guide rail 2 and the second guide rail 14, and the lower die 4 can be adjusted in the height position by selecting the series of screw holes 16 to be engaged with the upper fixing bolt group 17.
An output shaft 28 is arranged at the power output end of the motor 29, power is transmitted to the gear 26 through a coupler 30 and a transmission shaft 31 in sequence, the rack 27 is meshed with the gear 26, the side end face of the rack 27 is fixedly connected with the second bottom sheet 32 through welding, and the second series of bolt groups 33 pass through holes formed in the vertex angle of the second bottom sheet 32 to be in threaded connection with threaded openings formed in the side face of the vertical plate 3; further, the top surface of the vertical plate 3 is fixedly connected with the upper suspension plate 23 through welding, the bottom surface of the upper suspension plate 23 is fixedly connected with the electric cylinder bottom plate 35 through welding, and the electric cylinder bottom plate 35 is fixedly connected with the electric cylinder 22; further, the power of the electric cylinder 22 is transmitted to the upper die 18 through the rod body 20; further, the upper die 18 can be adjusted in the horizontal position of the upper die 184 by linear movement of the vertical plate 3 in the longitudinal direction with respect to the first rail 2 and the second rail 14, and can be adjusted in the height position of the upper die 18 by linear displacement motion output of the electric cylinder 22.
An alarm control panel 13, a sensor base 9, an alarm controller 7 and a buzzer 6 are sequentially arranged on the right side of the top surface of the bottom plate 1 from front to back, an operation button 11 and a stop button 12 are arranged on the alarm controller 7, and an infrared sensor 10 is arranged on the top of the sensor base 9; when the operation button 11 is pressed down, the infrared sensor 10 starts to work, when the situation that the accessory has personnel is detected, the infrared sensor 10 sends a signal to the alarm controller 7 through the lead 8 for safety, the alarm controller 7 sends a trigger signal to the buzzer 6 through the lead 8 to further cause the buzzer 6 to alarm, and when the operation is not needed, the stop button 12 is pressed down.
In addition, the invention can realize the accurate measurement of the horizontal position of the upper die 18, and further provides a basis for the accurate control of the horizontal position of the upper die 18 based on the power output of the motor 29, and the specific principle is as follows:
firstly, a calibration experiment is carried out, and a mapping relation between the voltage between points b and d of an internal circuit of the integrated control box 36 and the horizontal position of the upper die 18 is determined based on a BP neural network; the mapping relationship between the output voltage and the horizontal position of the upper die 18 is set in advance in the position analyzer 57; finally, each time the horizontal position of the upper mold 18 is adjusted, the horizontal position of the upper mold 18 can be calculated from the mapping relationship set in advance in the position analyzer 57.
The mapping relation obtaining method comprises the following steps:
the 500 sets of input (voltage between points b and d) and output (horizontal position of the upper die 18) data measured by the test are stored in a data.mat file, input is function input data, and output is function output data. And randomly selecting 450 groups of data from the input and output data as training data of the neural network, and selecting 50 groups of data as test data of the neural network, and carrying out normalization processing on the training data.
The language for the specific implementation of the output of the horizontal position of the upper mold 18 at the voltage between points b and d corresponding to the internal circuit of a certain integrated control box 36 based on the BP neural network fitting prediction under MATLAB is as follows:
clc
clear
load data input output
k＝rand(1,500)；
[m,n]＝sort(k)；
input_train＝input(n(1:450),:)’；
output_train＝output(n(1:450),:)’；
input_test＝input(n(451:500),:)’；
output_test＝output(n(451:200),:)’；
[inputn,inputs]＝mapminmax(input_train)；
[outputn,outputs]＝mapminmax(output_train)；
net＝newff(intputn,output,5)；
net.trainParam.epochs＝500；
net.trainParam.1r＝0.1；
net.trainParam.goal＝0.00004；
Net＝train(net,inputn,output)；
inputn_test＝mapminmax(‘apply’,input_test,inputs)；
an＝sim(net,inputn_test)；
BPoutput＝mapminmax(‘reverse’,an,outputps)；
in this way, the output of the horizontal position of the upper mold 18 corresponding to the voltage between the points b and d of the internal circuit of the integrated control box 36 is realized.
After the mapping relationship between the horizontal positions of the upper mold 18 at the voltage between points b and d of the internal circuit of the integrated control box 36 is obtained by the calibration experiment, the mapping relationship is set in the position analyzer 57 in advance. After that, after the voltage between the points b and d is sent to the position analyzer 57, the position analyzer 57 can output a corresponding horizontal position signal of the upper mold 18, that is, the horizontal position of the upper mold 18 is obtained, thereby providing a basis for the accurate control of the horizontal position of the upper mold 18 based on the power output of the motor 29.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The intelligent automobile part stamping die is characterized by comprising a bottom plate (1), a lower die (4), an upper die (18), a gear (26) and a rack (27), wherein a vertical plate (3), a sliding block (5), a motor (29), a first guide rail (2), a second guide rail (14), an integrated control box (36) and a spring barrel bottom plate (37) are arranged on the upper side of the bottom plate (1), and grooves formed in the lower sides of the vertical plate (3) and the sliding block (5) are respectively in contact fit with the first guide rail (2) and the second guide rail (14) so as to be capable of linearly moving along the length directions of the first guide rail (2) and the second guide rail (14); a connecting plate (34) is fixed on the right side of the sliding block (5) through a lower fixing bolt group (15), a series of threaded holes (16) are formed in the connecting plate (34), a lower die (4) is fixed on the left side of the connecting plate (34) through an upper fixing bolt group (17), a third piezoresistor (54), a fourth piezoresistor (55), a protective resistor (56), a position analyzer (57), a power supply (58) and a master control switch (59) are arranged in the integrated control box (36), the third piezoresistor (54) is connected between points a and d of an internal circuit of the integrated control box (36), the fourth piezoresistor (55) is connected between points b and c of the internal circuit of the integrated control box (36), and the power supply (58) and the master control switch (59) are connected in series and then connected between points a and c of the internal circuit of the integrated control box (36), c, the protective resistor (56) and the position analyzer (57) are connected in series and then connected between the b point and the d point of the internal circuit of the integrated control box (36);
the side face of the spring cylinder bottom plate (37) is welded with the bottom of the spring cylinder (38), a first pressure sensing unit (40) and a second pressure sensing unit (41) are arranged inside the spring cylinder (38), the surface of the cylinder body of the spring cylinder (38) is respectively provided with a left round hole (43) and a right round hole (47) from left to right, a left pressing sheet (44), a spring (45), a right pressing sheet (46) and an end sheet (42) are sequentially arranged inside the spring cylinder (38) from left to right, the left side of the first pressure sensing unit (40) is contacted with the bottom of the spring cylinder (38), the right side of the first pressure sensing unit (40) is contacted with the left side of the left pressing sheet (44), the left side of the spring (45) is contacted with the right side of the left pressing sheet (44), the right side of the spring (45) is contacted with the left side of the right pressing sheet (46), and the left side of the second pressure sensing unit (41) is contacted with the right side of the right pressing sheet (46), the right side of the second pressure sensing unit (41) is in contact with the left side of the end piece (42), a pressure lever (39) is welded on the right side of the end piece (42), and the right side of the pressure lever (39) is welded with the side face of the vertical plate (3);
the internal structures and the compositions of the first pressure sensing unit (40) and the second pressure sensing unit (41) are the same, and the first pressure sensing unit and the second pressure sensing unit are respectively composed of an extrusion block (48), a unit shell (49), a buffer block (50), an insulation block (51) and a piezoresistor (53), wherein the piezoresistor (53) is arranged at the center of the unit shell (49), the insulation block (51) is wrapped at the left side and the right side of the piezoresistor (53), the buffer block (50) is wrapped at the left side and the right side of the insulation block (51), the extrusion blocks (48) are arranged at the left side and the right side of the buffer block (50), and the extrusion blocks (48) are used for transmitting pressure; the two ends of a first piezoresistor (53 a) arranged in the first pressure sensing unit (40) and a second piezoresistor (53 b) arranged in the second pressure sensing unit (41) are respectively connected with the integrated control box (36) through a lead (8), specifically, the first piezoresistor (53 a) is connected between points a and b of an internal circuit of the integrated control box (36), and the second piezoresistor (53 b) is connected between points c and d of the internal circuit of the integrated control box (36).
2. The intelligent automobile part stamping die according to claim 1, wherein: the alarm control panel (13), the sensor base (9), the alarm controller (7) and the buzzer (6) are sequentially arranged on the right side of the top surface of the bottom plate (1) from front to back, the alarm controller (7) is provided with an operation button (11) and a stop button (12), and the top of the sensor base (9) is provided with an infrared sensor (10);
alarm control panel (13) and infrared sensor (10) between pass through wire (8) electric connection, pass through wire (8) electric connection between infrared sensor (10) and alarm controller (7), pass through wire (8) electric connection between alarm controller (7) and bee calling organ (6).
3. The intelligent automobile part stamping die according to claim 1, wherein: the power output end of the motor (29) is provided with an output shaft (28), and the other end of the output shaft (28) is connected with a transmission shaft (31) through a coupling (30); the top end of the transmission shaft (31) is fixedly connected with the bottom surface of the gear (26) through welding.
4. The intelligent automobile part stamping die according to claim 1, wherein: the rack (27) is meshed with the gear (26), the gear (26) has 8 teeth in total, and the modulus is 2.5; the rack (27) has 8 teeth in total and the modulus is 2.5.
5. The intelligent automobile part stamping die according to claim 1, wherein: the side end face of the rack (27) is fixedly connected with a second bottom plate (32) through welding, the second bottom plate (32) is in a cuboid plate-shaped structure, and a second series of bolt groups (33) penetrate through holes formed in the vertex angle of the second bottom plate (32) and are in threaded connection with threaded openings formed in the side face of the vertical plate (3).
6. The intelligent automobile part stamping die according to claim 1, wherein: the top surface of the vertical plate (3) is fixedly connected with an upper suspension plate (23) through welding, an electric cylinder controller (25) is arranged on the top surface of the upper suspension plate (23), the bottom surface of the upper suspension plate (23) is fixedly connected with an electric cylinder bottom plate (35) through welding, and the electric cylinder bottom plate (35) is fixedly connected with an electric cylinder (22);
a rod body (20) is arranged at the power output end of the electric cylinder (22), the end part of the rod body (20) is fixedly connected with a first bottom sheet (21) through welding, the first bottom sheet (21) is in a cuboid plate-shaped structure, and a first series of bolt groups (19) penetrate through holes formed in the vertex angle of the first bottom sheet (21) and are in threaded connection with threaded openings formed in the top surface of an upper die (18); the electric cylinder (22) is electrically connected with an electric cylinder controller (25) through a lead (8).
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| CN201910646421.4A CN110238288B (en) | 2019-07-17 | 2019-07-17 | Intelligent automobile part stamping die |
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| CN201910646421.4A CN110238288B (en) | 2019-07-17 | 2019-07-17 | Intelligent automobile part stamping die |
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| CN111153131B (en) * | 2020-01-08 | 2021-05-18 | 杭州均乘汽车用品有限公司 | A material loading machine for automotive interior material processing |
| CN112517754B (en) * | 2020-10-22 | 2022-06-28 | 苏州华砜精密模具有限公司 | Stamping precision die capable of being switched rapidly |
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| JPH08192298A (en) * | 1995-01-18 | 1996-07-30 | Ishikawajima Harima Heavy Ind Co Ltd | Cushion pin exchange device |
| CN203448522U (en) * | 2013-06-28 | 2014-02-26 | 苏州唐氏机械制造有限公司 | Intelligent pressure detection stamping die |
| CN107790573A (en) * | 2017-10-18 | 2018-03-13 | 佛山伊贝尔科技有限公司 | Intelligent precise machining center production line control system |
| CN109351830B (en) * | 2018-01-05 | 2021-04-16 | 佛山市赛鸽机器人智能科技有限公司 | Precise and efficient full-automatic stamping production line |
| CN108618268A (en) * | 2018-06-12 | 2018-10-09 | 董建芬 | A kind of automatic gluing fixing device of sole |
| CN209020988U (en) * | 2018-08-20 | 2019-06-25 | 芜湖龙鳞汽车部件有限公司 | A kind of small-sized bending machine |
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